spark-instrumented-optimizer/mllib
Ruifeng Zheng 88cf86f56b [SPARK-34797][ML] Refactor Logistic Aggregator - support virtual centering
### What changes were proposed in this pull request?

1, add `BinaryLogisticBlockAggregator` and `MultinomialLogisticBlockAggregator` and related testsuites;
2, impl `virtual centering` in standardization;
3, remove old `LogisticAggregator`

### Why are the changes needed?
previous [pr](https://github.com/apache/spark/pull/31693) and related works is too large, we need to split it into 3 prs:
1, this one, impl new agg supporting `virtual centering`, remove old `LogisticAggregator`;
2, adopt new blor-agg in lor,  add new test suite for small var features;
3, adopt new mlor-agg in lor,  add new test suite for small var features, remove `BlockLogisticAggregator`;

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
added testsuites

Closes #31889 from zhengruifeng/blor_mlor_agg.

Authored-by: Ruifeng Zheng <ruifengz@foxmail.com>
Signed-off-by: Sean Owen <srowen@gmail.com>
2021-03-24 12:16:21 -05:00
..
benchmarks [SPARK-29297][TESTS] Compare core/mllib module benchmarks in JDK8/11 2019-09-29 21:43:58 -07:00
src [SPARK-34797][ML] Refactor Logistic Aggregator - support virtual centering 2021-03-24 12:16:21 -05:00
pom.xml [SPARK-33662][BUILD] Setting version to 3.2.0-SNAPSHOT 2020-12-04 14:10:42 -08:00